Texas Instruments
Texas Instruments: Numb3 Rs: Location! Location! Location!
Based off of the hit television show NUMB3RS, this lesson introduces students to Voronoi diagrams, which split a plane into regions corresponding to distances to given points. The lesson is framed in the context of splitting a city into...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Concurrent Forces
University site explaining what is meant by concurrent forces. The site has a free-body diagram with 3 forces acting on an arbitrary body. The site explains the conditions necessary for concurrency.
Khan Academy
Khan Academy: Introduction to Forces and Free Body Diagrams Review
Review the key concepts and skills for forces, including how to draw free body diagrams.